open System.Drawing
open System.Windows.Forms

type HelloWindow() =
    let frm = new Form(Width = 300, Height = 300)
    let label = new Label(Dock = DockStyle.Fill, Font = new Font("Times New Roman", 10.0f), Text = "Hello")
    do frm.Controls.Add(label)
    member x.Run() = 
        Application.Run(frm)
let helloForm = new HelloWindow();;
helloForm.Run();;
